Taliban militants killed 22 police officers and wounded eight after ambushing a police convoy in northern Afghanistan on Monday, officials said.

Taliban militants killed 22 police officers and wounded eight after ambushing a police convoy in northern Afghanistan on Monday, officials said.

The explosion struck around dawn in Kabul's east, on the road to the city of Jalalabad, Afghan authorities said.

"A suicide bomber blew up his vehicle loaded with explosives in Qabil Bai," deputy interior minister General Mohammad Ayub Salangi said in a tweet, adding that "one person was killed and three injured in this attack".

No group has yet claimed responsibility for the bombing, but it had all the hallmarks of those carried out by the Taliban.